高中英语 module5 a lesson in a lab 2 period 外研版必修1

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1、TheSecondPeriodALessoninaLabTheGeneralIdeaofThisPeriodInthisperiod,　we’regoingtoreadapassageonthereactionofmetals.TeachingAims1.　Improvethestudents’abilityofreadingcomprehension.2.　Getthestudentstohaveaglobalunderstandingofthereadingpassage.3.　Trainthestudentst

2、oguessthemeaningofawordaccordingtothecontext.TeachingImportantPoints1.　Trainthestudents’readingability.2.　GettheSstounderstandthereadingtext.TeachingDifficultPointHowtoimprovethestudents’readingability.TeachingMethods1.　Individual,　pairworktomakeeverystudentwo

3、rkinclass.2.　Fastreadingandcarefulreadingtounderstandthepassagecorrectly.TeachingAids1.　ataperecorder2.　aprojector3.　amultimediacomputerTeachingProceduresStep1Greetingsandlead－in　Greetthewholeclassasusual.T:　Wearegoingtodoanexperimenttoday.　Ineedthesethingst

4、odotheexperiment:　testtubes,　Bunsenburner,　salt...Whenwedoanexperiment,　weshouldfirstofallhaveanaim.Weshouldusepropermethods.Weshouldfindtheresultanddrawaconclusion.Haveyoueverdoneascientificexperiment?Whatisthecorrectorderofascientificexperiment?(Showthewordsonthesc

5、reen.)conclusion　aim　result　method　　　　　　　　　　　　　　　　　　　T:　Putthewordsintocorrectorder.aim→method→result→conclusion　　　　　　　　　　　　　　　　　　　Step2Motivation　T:　Asweknowquitewell,　metalsareveryuseful.Whatarethedifferentusesofmetals?Whatshouldweknowwhenusingmetals?Whichreac

6、tsmostwithwater,　potassiumoriron?YouwillhaveabetterunderstandingofmetalsafterreadingPassageA.(Showthethreequestionsonthescreen.)(1)Whatarethedifferentusesofmetals?(2)Whatshouldweknowwhenweusemetals?(3)Whichreactsmostwithwater,　potassiumoriron?Step3Fastreading　T

7、eacherallowstheSsafewminutestodofastreading.T:　Whohasgottheanswers?S:　Differentmetalshavedifferentuses,　forexample,　steelisusedincarsandironisusedinelectricalequipment.T:　Whatshouldweknowwhenweusemetals?S:　Whenweusemetals,　itisimportanttoknowhowtheyreactwithdifferen

8、tsubstances.T:　Sowemustbecarefulwhenweusemetals.Whoshouldbegoodatusingmetals?S:　Scientists.S:　Engineers.S:　Mechanics.T: